November 2002
Intermediate to advanced
560 pages
11h 16m
English
Content preview from Programming in the .NET EnvironmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Type System Additions
The .NET type system is considerably richer than the COM type system and so required a number of concepts to be added to the Visual Basic language. The most important was inheritance, but overloading, namespaces, and name hiding were also significant changes.
Classes
A class in previous versions of Visual Basic is equivalent to a COM coclass, which is a collection of supported interfaces. A coclass does not have a distinct identity—when creating a coclass, the creator requests one of the interfaces that the coclass implements. It is then possible to request other supported interfaces by requesting the IUnknown interface of the instance. However, in general it is not possible to know what coclass you have in hand given a ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.